Try to install the update again, or request help from one of the following resources.

It fails during download, so it does not even reach the install phase.
Don’t loose too much time resolving this: The usual solution for 0x80246002 as described in KB958056 does not work.
The systems affected don’t have anti-virus or similar software installed, so disabling those won’t work: there is nothing to disable.

Actually, this is the one that comes with Windows Update (and therefore should automatically update, but in practice it does not).
For new software installations, I always try to do full downloads first (though not all vendors allow for that, especially not Java).
I have assembled a ton of direct download links over the years :-)